Pixelmon Pokemon not working with Iris/Sodium

Iris Shader ISSUE
Sora Shaders not working
Iris neoforge: crashing error

Iris not loading FastPBR

i dont have a problem with iris but with a shader
i cant open the iris installer
Fatal error occurs when shaders are enabled, after minimizing the game (feather client 1.21.7)
java.lang.IllegalStateException: Iris was not initialized!
...
How can i find Iris for Java 1.21.7 ? Installer only shows 1.21.8 and 1.21.5 ?!?!?
Signs bug out when enabling shaders.

Distant (horizons) water & fog doesn't render properly through glass

Iris Shader screen is invisible

The game doesn't start when I have iris for neoforge in mods folder
Shaders don't load in version 1.21.1 Neoforge on an Arch Linux PC.
dhProjection
undeclared
0:139(33): error: dhProjectionInverse
undeclared
This is the error I get. I found nothing about this online. I have reinstalled the mods, the game and my drivers but nothing changes....Suggestion: Server resourcepack compatibility (Toggle)
an itty bitty error message, please help
Version 1.21.7 it doesn't appear on installation.

No shader working